Bump actions/cache from 2.1.5 to 2.1.6 (#62)

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.5 to 2.1.6.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](actions/cache@v2.1.5...v2.1.6)

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
         with:
           node-version: 15.14.0
       - uses: actions/checkout@master
-      - uses: actions/[email protected].5
+      - uses: actions/[email protected].6
         id: save-deps
         with:
           path: "**/node_modules"
@@ -30,7 +30,7 @@ jobs:
         with:
           node-version: 15.14.0
       - uses: actions/checkout@master
-      - uses: actions/[email protected].5
+      - uses: actions/[email protected].6
         id: save-deps
         with:
           path: "**/node_modules"
@@ -51,7 +51,7 @@ jobs:
         with:
           node-version: 15.14.0
       - uses: actions/checkout@master
-      - uses: actions/[email protected].5
+      - uses: actions/[email protected].6
         id: save-deps
         with:
           path: "**/node_modules"

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
         with:
           node-version: 15.14.0
       - uses: actions/checkout@master
-      - uses: actions/[email protected].5
+      - uses: actions/[email protected].6
         id: save-deps
         with:
           path: "**/node_modules"